1: 80 percent / benzene / Ambient temperature; overnight
2: 1 h / 250 - 260 °C
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参考文献
Ismail, M. F.; Shams, N. A.; Naguib, M. I.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1981 , vol. 20, # 5 p. 394 - 397